Surface image acquisition system based on 3D visual path planning

Through a system based on 3D visual path planning, combined with 3D sensors and intelligent algorithms, the acquisition path is automatically planned, which solves the problems of low efficiency and low quality of turbine blade surface image acquisition, and realizes efficient and accurate image acquisition and detection.

CN223413232UActive Publication Date: 2025-10-03东方电气股份有限公司 +1
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Patent Information

Application Number
CN202422480810.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-10-03
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

Existing methods for capturing images of turbine blade surfaces are inefficient and unable to flexibly cope with complex geometric structures, resulting in some areas being unable to be covered, incomplete image acquisition, and low quality. Traditional methods are also time-consuming and labor-intensive, and are prone to missing key details.

Method used

A system based on 3D visual path planning is adopted, which uses 3D sensors and intelligent algorithms to build a 3D model of the blade. Combined with industrial robots and geometric optical units, it automatically plans the acquisition path and achieves high-precision image acquisition, including the combined use of 3D sensors, 2D industrial cameras and multiple light sources.

Benefits of technology

It improves the efficiency and accuracy of image acquisition, reduces human errors, ensures the capture of key details, achieves comprehensive coverage of complex surfaces, supports the detection of multiple blade types, and reduces time and cost.

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Abstract

The utility model discloses a steam turbine blade surface image acquisition system based on 3D visual path planning, which comprises an industrial robot unit, a product tooling platform unit, a surface data acquisition unit and a geometrical optics unit, and is characterized in that the surface data acquisition unit comprises a 3D sensor and a 2D industrial camera; the geometrical optical unit is formed by combining a plurality of optical light sources and illuminates the blade at different angles and under different illumination conditions, so that details and features of the surface of the blade can be highlighted, and the contrast ratio and definition of an image are improved. The system utilizes 3D visual path planning to guide the data acquisition unit to perform steam turbine blade surface image acquisition, can be widely applied to industrial detection and maintenance, can dynamically adjust the position and the angle of acquisition equipment, and can realize accurate path planning and multi-visual-angle fusion through accurate path planning and multi-visual-angle fusion. And the data acquisition system is guided to realize comprehensive and accurate image acquisition of the blade surface.
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